If you're asking how Congress decides how many justices the Supreme Court needs, the decision is usually based on the number of justices they believe is needed to handle the Court's caseload and other administrative duties.
On occasion, Congress has reduced the size of the Court to prevent new Presidents from making appointments (as they tried to do to Thomas Jefferson in 1801, and to Andrew Johnson, in the 1860s), or to give a favored President an opportunity to make additional appointments (as they did when they briefly increased the size of the Court to ten for President Grant).
If you're asking how all nine seats get filled at once, that never happens. In the US, Article III of the Constitution says Supreme Court justices are appointed during good behavior, meaning for life unless they do something bad enough to be impeached. Justices are only replaced when a vacancy caused by death, retirement or resignation opens a seat on the bench.
Under the Constitution, a new justice is nominated by the President, then the Senate votes whether to confirm or reject the nomination. If a simple majority of the Senate approves the President's choice, the person becomes a new Supreme Court justice.
The US Supreme Court seats nine justices. The courtroom can accommodate approximately 300 spectators, total.
There are seven justices on some state supreme courts, but the Supreme Court of the United States seats nine justices.
There are many different supreme courts - one of the US and one for each of the States. They have different numbers of judges, depending on the Constitution of each state. There are eight judges on the US Supreme Court (Nine seats for judges).
There is only one US Supreme Court, located in Washington, DC. The Court seats nine justices who hear cases regarding the Constitution, federal laws, and foreign treaties, as well as disputes between the states.
There are nine members of the Supreme Court. They are not elected to the post, but are appointed by the president as seats become available.
The nine justices shake hands with each of the other nine justices to remind themselves that their differences on the bench should not interfere with the cohesiveness of the Court.
The US Supreme Court has nine justices, the Court's official term for its judges.
None. The current US Supreme Court seats nine justices and requires a quorum of six to hear a case. The Court cannot review or decide cases in which fewer than six justices participate. The first Supreme Court, established in 1789, had only six justices, but required at least four to hold court. The US Court of Appeals Circuit Courts, the intermediate federal appellate courts that are one step below the Supreme Court, routinely use three-judge panels to make decisions.
No, but the number has varied over the years, because the Constitution does not say there has to be 9 members. The Supreme Court began with 6, then went to 5, then to 7, then to 9, then to 10, back to 7 agains and then to 9 again in 1896 and it has stayed at 9 ever since.
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